<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>market_a</title>
	</head>
	<body>
		<a href="https://www.baidu.com" style="width: 100px;height: 100px;background-color: red;display: block;" target="_blank">www.baidu.com</a>
		
		//超级链接
		//anchor --锚
		//打电话
		//邮件
		//协议限定符
		<div style="width: 100px;height: 100px;background-color: green;" id="demo1">demo1</div>
		<div style="width: 100px;height: 100px;background-color: red;" id="demo2">demo2</div>
		
		<a href="#demo1">finddemo1</a>
		<a href="">finddemo2</a>
		
		<a href="tel:18611780834">打电话</a>
		<a href="javascript:while(1) alter(1)"></a>
	
	</body>
</html>
